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13 sty 2020 · Let’s revisit the tossing an electron example: if you know for sure how fast the electron moves, then you cannot at all know where the electron is. The more you know about its momentum, the...
2 lis 2019 · A wealth of observational evidence since that time confirms that most of the matter in the universe (roughly 84%) is not the stuff of the Standard Model but is some exotic type of matter that does not participate in the electromagnetic interaction.
28 cze 2019 · This chapter investigates the use of quantum physics in contemporary literature and its influence on both form and narrative, taking into account its conceptual and mathematical complexity and the proliferation of mutually exclusive interpretations.
Electrons: In principle electrons slow down in the same way as ions, through large numbers of collisions with atomic electrons, which can be described by the Bethe-Block formula. BUT • Electrons, even from radioactive decays, are often highly relativistic. • In a collision with another electron, the electron can lose any fraction of its
21 cze 2024 · Here, we reveal a wealth of previously unexplored quantum and recoil effects taking place during electron–light–matter interactions when the electron and photon energies are comparable.
electron loses no energy or – to be accurate – only a negligible amount of energy. These signals are mainly exploited in TEM and electron diffraction methods. Figure 4: Scheme of electron-matter interactions arising from the impact of an electron beam onto a specimen. A signal below the specimen is only observable if the thickness is small ...
23 wrz 2020 · Examples include room-temperature strong coupling, ultrafast ‘forbidden’ transitions in atoms and new applications of the Cherenkov effect, as well as breakthroughs in ultrafast electron...
